Temporarily disable atlas growth.

Change-Id: I01341f3233969225b846ee081e78868ebcf0a1c1
Reviewed-on: https://skia-review.googlesource.com/48040
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>
1 file changed